Cheap Flights from Cardiff to Chicago O'Hare International

Compare Cardiff to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Cardiff Airport to Chicago O'Hare International Airport

Looking for a cheap last-minute deal or the best return flight from Cardiff Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from R 10,802. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cardiff to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Chicago O'Hare International flights are currently cheapest in August.

Cardiff to Chicago O'Hare International: Alternative routes

Compare routes from Cardiff to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Cardiff to Chicago: Flight information

The things to know before you go.
Cheapest flight foundR 9,232
Cheapest month to flyAugust

Finding cheap flights from Cardiff to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Cardiff to Chicago O'Hare International is R 10,802. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Chicago O'Hare International. But we found flights with one or more stops from R 10,802.
As of March 2026, there are no flights flying from Cardiff to Chicago O'Hare International.
The cheapest month to fly from Cardiff to Chicago O'Hare International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Chicago O'Hare International Airport on Friday, 17 April 2026.
No airlines currently offer direct flights between Cardiff Airport and Chicago O'Hare International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Cardiff Airport (CWL) to O'Hare International Airport (ORD): what you need to know

  • The timezone in Chicago is UTC-5, which is five hours behind Cardiff.

  • Get to the airport on time so you don't miss your CWL to ORD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Travelling during a peak month like June? School holidays and other popular periods can mean longer queues at airport checkpoints. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from Cardiff Airport to O'Hare International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between CWL and ORD:

    • Keflavik International Airport

    • Amsterdam Airport Schiphol

    • Dublin Airport

How to find the cheapest flights from Cardiff Airport (CWL) to O'Hare International Airport (ORD)

  • R 9,232 is the lowest price for a one-way Cardiff Airport to O'Hare International Airport flight. A return flight starts from R 10,802. These fares may change based on demand.

  • It's usually best to book as early as possible if you want to find cheap tickets from CWL to ORD. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search tool shows you the cheapest flights from Cardiff Airport to O'Hare International Airport across each month. It's a great way to find a bargain if your dates are flexible.

  • You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from CWL to ORD.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Cardiff Airport to O'Hare International Airport.

Handy information about Cardiff Airport (CWL)

  • 66.16% of flights taking off from Cardiff Airport reach their destination on time.

  • Central Cardiff to Cardiff Airport is around 27 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey on public transport typically takes 1 hour 5 minutes.

  • Looking for a handy hotel near CWL? If you're catching an early flight from Cardiff Airport to O'Hare International Airport, these stays will have you sleeping moments from check-in:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • ORD is located at 10000 West O'Hare.

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to reach the centre by car.

  • If you're travelling on public transport, expect a journey time of roughly 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • The quietest month for a flight from Cardiff Airport to O'Hare International Airport is January, while August is the busiest. Choose the ideal time to go to Chicago based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC (59ºF) and 29ºC (84ºF). Lock in your flights from Cardiff Airport to O'Hare International Airport in this month if you enjoy this type of weather.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from CWL to ORD in January. Temperatures average between -12ºC (10ºF) and 3ºC (37ºF) then.

Explore more of United States

  • Columbus is just one of the many cities in United States waiting to be discovered once you've seen the sights of Chicago. Around 451 kilometres away to the south-east, popular attractions include Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Around 257 kilometres south-east of Chicago, Indianapolis is another essential stop in United States. Start your sightseeing at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.